OpenTechnical

OT-2026-000088291

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000088291) never changes.

Identity and time

Publication numberOT-2026-000088291 · never reused
Internal UUID01a0ae9b-5d26-7da0-b86a-5ce453bf85bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088291
StatusPUBLIC

Content hashes

Canonical textb3c731420380ddf0d1a802853a4762a277a9721ac1cfdfc3dbd319e6e26cb294
Markdown01ff34c857d643c594bdfb90599d0b2896706651d10d5458cad077f86419c519
PDF
Publication pagef67150bb99cac7877824cbf85125b272623aaa192a09348d2162789242acfe5d
Manifestfc06b9d50a35de78ff6e2bdf89aecfd6c3a1daab9af2cd30975f2bb1279570e9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturedskfgNGJHvheOPaNZHh/CRTWqucefUtkzNvHuEEM9qMZvb58z67Rui1MdY6vkiqNPvommShl3O/9688Pl0lmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:37.360577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088291
observed f67150bb99cac7877824cbf85125b272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.343144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088291/manifest.json
observed fc06b9d50a35de78ff6e2bdf89aecfd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.326515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088291/publication.md
observed 01ff34c857d643c594bdfb90599d0b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.309981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088291/publication.txt
observed b3c731420380ddf0d1a802853a4762a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.